D defs.my
Entry 3 senses Webster, 1913

Knobby

· Knob·by · IPA /ˈnɑbi/
01 a. Full of, or covered with, knobs or hard protuberances.
  1. 1.
    Full of, or covered with, knobs or hard protuberances.
  2. 2.
    Irregular; stubborn in particulars.[Obs.]
    “The informers continued in a knobby kind of obstinacy.” Howell.
  3. 3.
    Abounding in rounded hills or mountains; hilly.[U.S.]